Hallett is the name of several places:
- Hallett, Oklahoma in the United States of America
- Hallett, South Australia in Australia
It is also part of the name of:
- Cape Hallett, Northern Victoria Land, the location of a scientific base in Antarctica
- Hallett's Bay, New Zealand, on the eastern shore of Lake Taupo in New Zealand
- Hallett Cove, South Australia, a suburb of Adelaide, Australia
- Hallett Motor Racing Circuit, a road-racing course near Tulsa, Oklahoma, USA
- Hallett Nature Sanctuary, north-west of the pond at Fifth Avenue and Central Park South, New York City, USA
- Hallett Peak, a mountain in Colorado's Rocky Mountain National Park, USA
- Hallett Road, Bay of Plenty, a rural road in Edgecumbe, New Zealand
Read more about Hallett: Artifacts